S.A. Mason’s Boston Scientific BSX Stock Holding History

S.A. Mason’s Portfolio BSX Stock Details BSX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$110K	Hold	2,589	–	–	0.03%	274
2026 Q1	$162K	Buy	2,589 +310	+14%	+$24.8K	0.06%	221
2025 Q4	$217K	Buy	2,279 +104	+5%	+$10.2K	0.09%	187
2025 Q3	$212K	Hold	2,175	–	–	0.09%	182
2025 Q2	$234K	Sell	2,175 -25	-1%	-$2.53K	0.11%	164
2025 Q1	$222K	Sell	2,200 -315	-13%	-$31.7K	0.12%	167
2024 Q4	$225K	Buy	2,515 +180	+8%	+$15.8K	0.12%	160
2024 Q3	$196K	Buy	2,335 +135	+6%	+$10.6K	0.1%	167
2024 Q2	$169K	Sell	2,200 -100	-4%	-$7.32K	0.1%	173
2024 Q1	$158K	Hold	2,300	–	–	0.09%	173
2023 Q4	$133K	Hold	2,300	–	–	0.09%	181
2023 Q3	$121K	Hold	2,300	–	–	0.09%	182
2023 Q2	$115K	Hold	2,300	–	–	0.08%	191
2023 Q1	$115K	Hold	2,300	–	–	0.08%	191
2022 Q4	$106K	Hold	2,300	–	–	0.08%	197
2022 Q3	$89K	Hold	2,300	–	–	0.07%	209
2022 Q2	$86K	Hold	2,300	–	–	0.06%	217
2022 Q1	$102K	Hold	2,300	–	–	0.06%	220
2021 Q4	$98K	Hold	2,300	–	–	0.06%	216
2021 Q3	$100K	Hold	2,300	–	–	0.07%	203
2021 Q2	$98K	Hold	2,300	–	–	0.07%	204
2021 Q1	$89K	Buy	2,300 +500	+28%	+$18.9K	0.07%	205
2020 Q4	$65K	Sell	1,800 -500	-22%	-$18K	0.05%	209
2020 Q3	$88K	Sell	2,300 -7	-0.3%	-$270	0.08%	177
2020 Q2	$81K	Hold	2,307	–	–	0.09%	183
2020 Q1	$75K	Buy	2,307 +7	+0.3%	+$273	0.09%	169
2019 Q4	$104K	Buy	+2,300	New	+$96.2K	0.1%	179

Other funds holding BSX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS) West Sacramento, California $782B AUM 28.39% 1-Year Est. Return

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

S.A. Mason's BSX Position: Q2 2026 in Review

S.A. Mason held its Boston Scientific (BSX) position steady in Q2 2026 at 2,589 shares worth $110K. The position accounts for 0.03% of the portfolio, ranked #274.

S.A. Mason first reported a position in BSX in Q4 2019 and has held it in 27 quarters since. The position peaked at $234K in Q2 2025. 1,470 funds tracked by Wall St. Rank hold BSX as of Q2 2026.

S.A. Mason held 2,589 shares of Boston Scientific worth $110K as of Q2 2026.
S.A. Mason left its Boston Scientific share count unchanged in Q2 2026.
Boston Scientific made up 0.03% of S.A. Mason's portfolio in Q2 2026, its #274 holding.
S.A. Mason first reported a position in Boston Scientific in Q4 2019 and has held it in 27 quarters since.
S.A. Mason's Boston Scientific position peaked at $234K in Q2 2025.
1,470 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2026.

Based on S.A. Mason's 13F filing for Q2 2026, filed 31 Jul 2026.